{"id":"CVE-2026-46307","revision":"ed4ba5cd141a4efab1b3b139c3329f25","records":[{"revision":"ed4ba5cd141a4efab1b3b139c3329f25","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46307","aliases":[],"title":"wifi: ath5k: do not access array OOB","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath5k: do not access array OOB\n\nVincent reports:\n> The ath5k driver seems to do an array-index-out-of-bounds access as\n> shown by the UBSAN kernel message:\n> UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath5k/base.c:1741:20\n> index 4 is out of range for type 'ieee80211_tx_rate [4]'\n> ...\n> Call Trace:\n>  <TASK>\n>  dump_stack_lvl+0x5d/0x80\n>  ubsan_epilogue+0x5/0x2b\n>  __ubsan_handle_out_of_bounds.cold+0x46/0x4b\n>  ath5k_tasklet_tx+0x4e0/0x560 [ath5k]\n>  tasklet_action_common+0xb5/0x1c0\n\nIt is real. 'ts->ts_final_idx' can be 3 on 5212, so:\n   info->status.rates[ts->ts_final_idx + 1].idx = -1;\nwith the array defined as:\n   struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];\nwhile the size is:\n   #define IEEE80211_TX_MAX_RATES  4\nis indeed bogus.\n\nSet this 'idx = -1' sentinel only if the array index is less than the\narray size. As mac80211 will not look at rates beyond the size\n(IEEE80211_TX_MAX_RATES).\n\nNote: The effect of the OOB write is negligible. It just overwrites the\nnext member of info->status, i.e. ack_signal.","state":0,"publishedAt":"2026-06-08T15:46:35.059+00:00","modifiedAt":"2026-10-15T01:21:33.22+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/ath/ath5k/base.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"ecb1c163166759dec004c1fdb9709b8a5992fc8e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"9dd6aae4bc7bfa11088d928670a3315eae542769\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"744c19e266b0d2628c5951439195dcef27eadacf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"83226c71af53fb9b3cad40cb9a9a79f36d68c020\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"d6869537013b1f21b292342752d97868b79b5934\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"e9f1081bc775146156def0dbc821b92f35d56afb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"568173ad9bd0b46cc6cd937dea8791e9b5eefa57\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d7b97b23e114c8fbb825e6721164d228c1af3fc\",\n                            \"lessThan\": \"d748603f12baff112caa3ab7d39f50100f010dbd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/ath/ath5k/base.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.258\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.209\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.140\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.88\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.30\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.7\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","score":8.3,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/ecb1c163166759dec004c1fdb9709b8a5992fc8e","https://git.kernel.org/stable/c/9dd6aae4bc7bfa11088d928670a3315eae542769","https://git.kernel.org/stable/c/744c19e266b0d2628c5951439195dcef27eadacf","https://git.kernel.org/stable/c/83226c71af53fb9b3cad40cb9a9a79f36d68c020","https://git.kernel.org/stable/c/d6869537013b1f21b292342752d97868b79b5934","https://git.kernel.org/stable/c/e9f1081bc775146156def0dbc821b92f35d56afb","https://git.kernel.org/stable/c/568173ad9bd0b46cc6cd937dea8791e9b5eefa57","https://git.kernel.org/stable/c/d748603f12baff112caa3ab7d39f50100f010dbd"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46307","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46307","identifiers":["CVE-2026-46307"]},"retained":false,"historicalAffected":[]}],"coverage":[]}